A randomized 25 question test from a pool of 761 questions, good luck!
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage transitions to represent logic states?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that the responding device cannot initiate any communication independently?
A modern DCS needs to be able to respond to growing demands. Which of the terms below is best defined as the measure of a system's ability to increase or decrease in performance and cost in response to changes in application and system processing demands.
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the smallest in area covered?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a analog input memory location?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will typically contain a high level of encryption andsecurity
The OSI model describes how a network should be arranged. Which of the layers below concern network topologies the most?
Which of the DeviceNet components below is best described as being used where ingress protection is needed?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
In the unbalanced signal transmission system, which answer best represents the number 6?
In the protocol specifications of Modbus, there are standard 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the coils register addresses?
Ethernet/IP, is the ______ level protocol that industrial Ethernet uses exclusively. Select the term below that best fills in the blank.
Which of the categories below best represents a component not used in the construction of a segment for DeviceNet?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
IPv4 addresses are expressed in four components. Which of the terms below is used to name those four components?
There are several different network access methods available to wireless Ethernet. Which of the methods below is the one used by wireless Ethernet?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a input status would use?
The installation of a SCADA system has several difficulties associated with it. Which of the challenges below would be best defined as one that validates the hardware and software design complies with regulations?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that coverts the analog signals from T/Cs and RTDs to a digital signal?
There are many options to choose from for alarm attributes. Which of the following alarm attributes would best be used when a process regularly exceeds it's limits for a brief period of time?
Which of the answers below is not a common fiber optic connector in the instrumentation field? Choose the answer that best applies.
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
Which of the answers below best describes the cable used for the drop lines in the DeviceNet transmission system?